Beige kiln



' (No Model.) 3 Sheets-Sheet 1. C. D. PAGE.

BRICK KILN.

No. 286,728. Patented Oct. 16.1883

(No Model.) i 3 Sheets-Sheet 2. 0. D. PAGE.

BRICK KILN. v 110.286.728. Patented Oct. 16, 1883.

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3 Sheets-Sheet 3.

(No Model.)

0. D. PAGE. BRICK KILN.

N0. 286,728. Patented Oct. 16, 1883.

UNITED STATES PATENT OFFICE.

CLARK D. PAGE, or ROCHESTER, NEW YORK.

BRICK-KILN.

SPECIFICATION forming part of Letters Patent No. 286,728, dated October16, 1883.

Application filed September 4, 1883. No model.)

Tc all whom, it may concern..-

: Be it known that I, CLA K D. PAGE, of Rochester, Monroe county, NewYork, have invented certain new and useful Improvements in Brick-Kilns;and I do hereby declare that the following is a full, clear, and eXactdescription of the same, reference being had to the accompanyingdrawings, in which Figure 1 is a longitudinal vertical section of thelower portion of the kiln. Fig. 2 is a similar view, but at right anglesto Fig. 1. Fig. 3 is a cross-section in line a: m of Fig. 1. Fig. 4 isan elevation of the sliding follower on the lower end of the mouth ofthe kiln; Fig. 5 is a crossseetion on an enlarged scale of one side ofthe same. Fig. 6 is a longitudinal section through thetop of the kiln.Fig. 7 is a similar view at right angles to Fig. 6.

My improvement relates to perpetual kilns, in which the green bricks areinserted at the top of the kiln and drawn at the bottom, being burnedduring the passage.

It also relates to kilns in which a car is raised by a hydrostatic pressto receive the load, and is then lowered upon a track and run off, whilethe stack of bricks is held in the kiln by bars run through holes in thestack formed in the act of-packing.

The invention consists in the combination and arrangement of partshereinafter more fully described and definitely claimed.

In the drawings, A shows an upright brickkiln, in which is located asingle cupola, B, extending from top to bottom.

r G is an archway or opening in the bottom I of the kiln, and B is ametallic casing at the bottom of the cupola, having the opening of thesame size as the cupola, and forming a continuation of the same a givenlength.

D is a track in the archway and some distance below the casing, on whichrests and rolls a car, E, which receives theload of burned bricks, andwhich serves to run them off from the-kiln.

G is ahydrostatic press, consisting of a cylinderlinto which water isforced under pressure through apipe, a, from apum p. the drawings.)

H is a follower, which rests under the car, having a piston, H, whichrests in the cylinder, and is forced up by the pressure when (Not shownin applied in the cylinder. IVhen it is so forced up it raises the carup in contact with the easing B.

I I I I are four standards at the side of the track, provided withlongitudinal slots '1) I. These standards form guides to the car in itsvertical movement, as follows: The ends 0 c of the car fit closelyinside the standards when the car is centered, and when the car israised or lowered by the press, as described, these ends, by slidingagainst the standards, prevent any lateral displacement of the car. Onthe ends of the car are lugs d (I, provided with open slots ff.

g g are pins or rods, which are passed through the slots I) b of thestandards I I and through the open slots ff of the car, and by thismeans the ear is locked against any longitudinal movement. The slots 1)b allow the pins to rise and fall. Therefore the car can be raised andlowered; but it is held stationary, so that when raised it fitsaccurately to the end of the casing, and when lowered the truck-wheelsfit accurately on the track.

'75 J is a hollow band, fitting closely outside the lower end of thecasing 13, but having a free movement up and down, and forming afollower. Its lower edge strikes into a groove, 6, in the top of the carwhen the car is raised, and the groove is filled with sand, which formsa packing,toprevent entrance of air. The follower is raised at any timeby means of levers h h, Fig. 4, or by any other suitable means. Thefollower is also preferably provided with a rubber or other packing, 1;,at its top, so that while the follower may be somewhat loose on thecasing the packing'will make it tight and prevent the entrance of air.

K K are a series of supporting-rods, which can be run in over rollers k7c and supportingbars Z Z, and rest just below the end of the easing B.hen the green bricks are placed on the top of the eupola, they are laidup in charges, with passages mm between. Each of the charges amounts toa single load on the car. The car is first moved up under greatpressure, and raises the whole stack of bricks in the cupola. The bars KK are then run through the holes in the stack under the easing. The caris then lowered with its load and run off, and the bars support thestack in "and the follower J is let down into the sandgroove, to form apacking. This follower is of much importance, as it packs at all times,7

even if the car should not come up fnlly'to the casing, or if it shouldsag, which is sometimes the case. It obviates making holes in the lowerend of the casingto receivethc'rods, which would otherwise be necessary.

L is a cylinder, which I denominate the accumulator. It is in the natureof an airchamber, being fully inclosed, and it is connected with thecylinder G by a pipe, 0, in which is a cut-off, p. A cut-01hr, is alsoused in the pipe a. Vhen the car is loaded, and is to be lowered, thecock 1) is opened and the water in the cylinder G will be forced backthrough pipe 0 into the cylinder L, and will compress the air. The cockis then closed, holding the pressure. The loaded car is then run off,and an empty one supplied in its place. The cock is then opened, and thepressure from cylinder L will be sufficient to raise the car in place,after which a limited quantity only is necessary to be pumped in toraise the bricks in the eupola. This saves a large amount of labor. Thecylinder maybe provided with a small escape cock, to let off over chargeat any time.

M is a valve or cover at the top of the stack, and hinged to turnupwardinside of the chimney N, by which the draft can be shut off at anytime.

7 P is a thin metallic dividing-plate, which rests in a groove centrallyin the top of the kiln, where the green bricks are inserted. On eachside of this plate are the openings for the insertion of the bricks, andthese openings may be covered at any time by slides 11 1%, which slidedown into grooves 2. 2. During the process of burning, the slides areclosed and the valve is opened. The top of the dividingplate is providedwith open notches 101.0, Fig; 6, at the same distance apart as thepassages are to be formed in the bricks, for the insertion of thesupporting-rods, before described. The dividing-plate is also providedwith vertical slots cu, so that the operators can see through to keepthe layers of brick even. The eupola.

in this kiln is made in a single opening or passage, and not in two, asin other kilns, and in such case the bricks have to be inserted onopposite sides, as, owing to the width of the eupola and the great heat,it cannot be reached The dividing-plate is across from one side.

necessary to gage the distance the bricks are inserted from oppositesides, and to keep them even. They are placed in in layers, and theslots enable the workmen to see through and keep the layers at the sameheight. \Vhen the layers pass below the plate, they unite in one column.

' q q are bars, whiclnwhcn the charge of green brick is built up to theproper height to form the holes for the supporting-bars, are placed inthe notches w w in the top of the dividing plate and project crosswiseof the same, extending across the eupola, as shown in Fig. 7. The layersof brick are then laid around and above these bars, and they are thenwithdrawn, forming the passages aforesaid. The bars form simply guidesfor the laying of the bricks, and are essential to lay them straight.

Having described my invention,what I claim as new, and desire to secureby Letters Patent, 1s

1. I11 a brick-kiln, the combination, with the car, of verticalstandards, forming guides to the car in its vertical movement, and pinspassing through guideslots in the standards, said pinslockingthe caragainst end movement, as set forth.

2. In a brick-kiln, the combination, with. the car, capable of avertical movement to adjust it to the casing, of a band, constituting afollower, resting on the casing, and serving to be closed down upon thetop of the car and pack the same when raised, as set forth.

3. In a brick-kiln, the combination, with the main cylinder, by whichthe power is applied, and with a piston resting therein, of asupplementary cylinder, forming an air-chant b er, connected with themain cylinder by a pipe provided with a cut-off, serving to ac cumulatcpower by the pressure of the lead 011 the ear in falling to raise theempty car again by its reaction, as set forth.

4. In a brick-kiln having a single eupola, the dividing-plate at the topof the eupola for gaging the bricks as they are inserted from l oppositesides, as set forth.

5. The dividing-plate provided with notches at its top for the insertionof the guide-bars q q, as set forth.

(3. The dividingplate provided with ver tieal slots u 11, as and for thepurpose specified.

7. he eombination,with the dividing-plate,

provided with notches in its upper edge, of"

